February 16, 2021 3 min read

The transfer of unwanted warm and cool air from your home adds hundreds of dollars to energy bills every year. Replacing windows can be a cost-effective way to prevent this air loss and save on your overall energy bill. If you currently have single-pane windows, replacing them with energy-efficient panels can save you up to $465 a year, and the installation costs will be offset in no time. Furthermore, if you are replacing your windows with Energy Star windows, you can apply for a federal tax credit to help with the cost. There are a variety of options when it comes to fixing up the existing windows or replacing new ones, but as long as they are installed professionally and properly, the investment will be a great one.

Replacement Windows Energy Saving


Concerns With Single Pane Windows

With it being the middle of the coldest months of the year it’s important to consider sealing windows for winterweather to better keep your home warm and cozy without running up your heating costs. If you are not ready to replace them, there are a few steps you can take. The first is ensuring that the windows have properly working locks that will form a seal to block airflow. This also protects air from sneaking through microscopic gaps during wind storms.

Caulking Around Window Trim

Trim frames a window and gives it depth, but gaps in the exterior window trim can be costing you when it comes to air loss. Caulk is quite inexpensive and will help quickly seal any gaps that are leading to air loss. Each window frame should be fully solid, so if there are any gaps or worn caulking, tend to it as soon as possible. First, remove the interior trim and then seal the space behind it with a weatherproof, tight seal.

Replacement Windows Install


Weatherstripping comes in various materials such as foam, vinyl, and metal and will block drafts on your windows. Many homeowners opt for weatherproofing their windows if they notice drafts around the windows, gaps around the trim, or that insects are making their way in.

Window Treatments

Cellular or honeycomb treatments can create insulation that prevents the transfer of heat, saving you money on your heating bill.

Replacement Windows

Add Storm Windows

Storm windows can be mounted on existing windows to prevent heat loss, and they will also soundproof the home. These windows are also more durable and will not require a lot of maintenance.

Replacing your single pane windows will undoubtedly save money on your energy bill. Older windows with aluminum frames are quite weak and allow heat transfer, so just switching the material to vinyl or fiberglass will help you start saving immediately. Switching from a single pane to a double or even three-pane window will also help, as a single pane doesn’t provide quite enough protection against the elements. More modern energy-efficient windows will also have an inert gas in between panes that will minimize air loss even further. When you are ready to upgrade, it will also save you money in the long run if you make sure to hire a professional team who knows what they’re doing rather than trying to replace them yourself or purchase from a company that outsources installation. This will ensure that your investment pays off in the long run.

Matt Lee is the owner of the Innovative Building Materials blog and a content writer for the building materials industry. He is focused on helping fellow homeowners, contractors, and architects discover materials and methods of construction that save money, improve energy efficiency, and increase property value.

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